Php > Miscellaneous

Best deal array sorting function

Best deal array sorting function

function BEST_DEALS(&$myarray) 
{ 
   
    krsort($myarray, SORT_NUMERIC); 
    while(list($weight, $cost) = each($myarray)) 
    {   // delete bad deals, retain best deals: 
        if(!$lastweight) 
        { 
            $lastweight=$weight; 
            $lastcost = $cost; 
        } 
        else if($cost >= $lastcost) 
        { 
            unset($myarray[$weight]); 
        } 
        else 
        { 
            $lastweight=$weight; 
            $lastcost = $cost; 
        } 
    } 
    ksort($myarray); 
}